問題詳情
33. Although erosion is a natural process, human activities like agriculture, construction, _______, and grazingcan greatly increase its impact.
(A) confidence
(B) deforestation
(C) cognition
(D) psychology
參考答案
答案：B
難度：適中0.608696
統計：A(1),B(42),C(12),D(14),E(0)